Raise a shot glass from this six-piece set in honor of the aeronautic adventurers they honor! Meet little-known champions of early space exploration including Ham the Astrochimp, space dogs Belka and Strelka, feline Félicette, and more. Each glass heralds a portrait of a different pioneering mammal on the front, along with the dates and details of their historical claims to fame on the back. From a tiny mouse to trained chimps, the creatures on these cups are bound to inspire!